You can find picture of people who have undergone the surgery on websites online, such as http://www.renewedreflections.com/forums/news-please-read/937-before-and-after-pics.html and http://www.obeseinfo.com/before_after_gastric_bypass_surgery.htm.
It's very important to understand how a surgery will affect you mentally and physically. You can start by searching www.yourbariatricsurgeryguide.com to see before and after pictures.
Your friend should go talk to her doctor about getting a bariatric surgery. You can find before and after pictures on this website. http://www.yourbariatricsurgeryguide.com/photo-gallery/
There are various before and after accounts of Bariatric surgery available on the world wide web as well as pictures of before and after Bariatric surgery available at websites such as the following: www.locateadoc.com/pictures/bariatric-surgery/gastric-bypass-surgery.html, www.renewedreflections.com/forums, and www.obesityhelp.com/content/lifeafter.html.
If one wishes to view the results of bariatric surgery there are several options. The website for New Image Bariatric Surgical Associates has several examples of before and after photographs for both men and women. Alternatively the website for Presbyterian Bariatric & General Surgery has similar pictures.
The best answer is that you just need to do a simple search of "before after bariatric pictures". There are literally hundreds of medical center / physician sites with the pictures you are looking for.
There are servel resources availble to you. A quick internet search using your favorite search engine with the phrase "bariatric surgery before and after" yields several hits. Also, you can try to talking to your surgeon, who frequently takes pictures of past clients and may be able to show you some old pictures.
You can find out more about it here: www.obeseinfo.com/before_after_gastric_bypass_surgery.htm. Please be sure to check with your doctor to see if it is right for you.
For pictures and diagrams on bariatric surgery, try this website: http://www.webmd.com/diet/weight-loss-surgery/gastric-bypass Also, I would recommend the book, Bariatric Surgery for Dummies. This book will tell you how bariatric procedures are performed.
Here is one of the best websites for this information. http://www.placidway.com/profile/703/The-Bariatric-Group Before you go to Mexico, see if the US bariatric surgeons have good rates too.
Ask your doctor on your next visit for any information they can show you. Otherwise, check out WebMD for the weight loss surgery help center. The Consumer Guide to Bariatric Surgery also has before and after photos.
You can find information on bariatric before and after from your doctor's office. You can also find information online from sources such as "Your Bariatric Surgery Guide".
Most doctors will not perform bariatric surgery unless you are obese. The pictures requested are available at: www.webmd.com/.../weight-loss-surgery/slideshow-weight-loss-surgery